Fixes room spawning and adds physical doors and indicator lights

scripts/rooms/door.gd

@@ -0,0 +1,113 @@
+extends Node2D
+class_name RoomDoor
+
+# ---------------------------------------------------------------------------
+# Constants
+# ---------------------------------------------------------------------------
+const DOOR_THICKNESS := 12.0
+const INDICATOR_SIZE := 10.0
+const INDICATOR_OFFSET := 20.0  # distance above door
+
+# Indicator light colors (brighter versions of room floor colors)
+const INDICATOR_COLORS := {
+	RoomData.RoomType.START:  Color(0.3, 0.3, 0.5),   # blue-gray
+	RoomData.RoomType.COMBAT: Color(0.35, 0.35, 0.55), # blue-gray
+	RoomData.RoomType.ITEM:   Color(0.2, 0.5, 0.2),   # green
+	RoomData.RoomType.SHOP:   Color(0.6, 0.45, 0.2),  # gold/amber
+	RoomData.RoomType.BOSS:   Color(0.7, 0.15, 0.15), # red
+}
+
+# ---------------------------------------------------------------------------
+# State
+# ---------------------------------------------------------------------------
+var direction: String = ""  # "up", "down", "left", "right"
+var door_size: Vector2 = Vector2.ZERO
+var adjacent_room_type: RoomData.RoomType = RoomData.RoomType.COMBAT
+
+var _barrier: StaticBody2D = null
+var _barrier_collision: CollisionShape2D = null
+var _barrier_visual: Polygon2D = null
+var _indicator: Polygon2D = null
+var _is_locked: bool = false
+
+# ---------------------------------------------------------------------------
+# Setup
+# ---------------------------------------------------------------------------
+func setup(dir: String, size: Vector2, adj_type: RoomData.RoomType) -> void:
+	direction = dir
+	door_size = size
+	adjacent_room_type = adj_type
+
+	_build_barrier()
+	_build_indicator()
+
+	# Start unlocked (open)
+	unlock()
+
+
+func _build_barrier() -> void:
+	_barrier = StaticBody2D.new()
+	_barrier.collision_layer = 1  # world layer - blocks player
+	_barrier.collision_mask = 0
+
+	_barrier_collision = CollisionShape2D.new()
+	var shape := RectangleShape2D.new()
+	shape.size = door_size
+	_barrier_collision.shape = shape
+	_barrier.add_child(_barrier_collision)
+
+	# Visual - solid rectangle
+	_barrier_visual = Polygon2D.new()
+	var hx := door_size.x / 2.0
+	var hy := door_size.y / 2.0
+	_barrier_visual.polygon = PackedVector2Array([
+		Vector2(-hx, -hy), Vector2(hx, -hy),
+		Vector2(hx, hy), Vector2(-hx, hy),
+	])
+	_barrier_visual.color = Color(0.4, 0.35, 0.3)  # metallic brown
+	_barrier.add_child(_barrier_visual)
+
+	add_child(_barrier)
+
+
+func _build_indicator() -> void:
+	_indicator = Polygon2D.new()
+
+	# Small diamond shape for indicator
+	var s := INDICATOR_SIZE
+	_indicator.polygon = PackedVector2Array([
+		Vector2(0, -s), Vector2(s, 0),
+		Vector2(0, s), Vector2(-s, 0),
+	])
+
+	# Position based on door direction
+	var offset := Vector2.ZERO
+	match direction:
+		"up":    offset = Vector2(0, -door_size.y / 2.0 - INDICATOR_OFFSET)
+		"down":  offset = Vector2(0, door_size.y / 2.0 + INDICATOR_OFFSET)
+		"left":  offset = Vector2(-door_size.x / 2.0 - INDICATOR_OFFSET, 0)
+		"right": offset = Vector2(door_size.x / 2.0 + INDICATOR_OFFSET, 0)
+
+	_indicator.position = offset
+	_indicator.color = INDICATOR_COLORS.get(adjacent_room_type, INDICATOR_COLORS[RoomData.RoomType.COMBAT])
+
+	add_child(_indicator)
+
+
+# ---------------------------------------------------------------------------
+# Lock/Unlock
+# ---------------------------------------------------------------------------
+func lock() -> void:
+	_is_locked = true
+	_barrier_collision.disabled = false
+	_barrier_visual.visible = true
+
+
+func unlock() -> void:
+	_is_locked = false
+	_barrier_collision.disabled = true
+	_barrier_visual.visible = false
+
+
+func is_locked() -> bool:
+	return _is_locked